CN209674548U - Wireless traffic signal light managing device - Google Patents
Wireless traffic signal light managing device Download PDFInfo
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- CN209674548U CN209674548U CN201822141539.5U CN201822141539U CN209674548U CN 209674548 U CN209674548 U CN 209674548U CN 201822141539 U CN201822141539 U CN 201822141539U CN 209674548 U CN209674548 U CN 209674548U
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Abstract
The utility model provides a kind of wireless traffic signal light managing device, comprising: master controller, for issuing traffic control signal；A plurality of sub-controllers, it is identical as the quantity of the Traffic signal post of intersection, it is arranged in a one-to-one correspondence on all Traffic signal posts, and be connected with traffic signal light group whole on corresponding Traffic signal post；Gateway includes: gateway ontology and central node；And a plurality of communication nodes, it is identical as the quantity of a plurality of sub-controllers, and it connects one to one with a plurality of sub-controllers, wherein, gateway ontology one end is connected with master controller, the other end is connected with central node, one end of each communication node is connected with corresponding sub-controller, the other end is all wirelessly communicated with central node and is connected, it is integrated with the wireless communication module with frequency hopping communications mechanism in central node and a plurality of communication nodes, is also integrated with time synchronization control module in central node.
Description
Technical field
The utility model belongs to traffic lights management domain, and in particular to one kind can by wireless communication mode safety
The wireless traffic signal light managing device of reliable transmission traffic control signal.
Background technique
Signal lamp of the traffic lights as the operation that directs traffic, is widely used on the road of intersection.It
It is generally made of red light, green light, amber light, is the traffic lights of international uniform.Red light indicates that no through traffic, and green light indicates to permit
Current, amber light indicates warning.In order to guarantee the traffic order of traffic, the importance of traffic lights is self-evident, this is just
Strict exploration to be carried out to the installation site of traffic lights before determining construction, to guarantee that traffic lights are completed in construction
It avoids disturbed in operational process afterwards and is out of order.
Generally, the traffic lights at a crossing are controlled by a master controller, on each lamp stand at the crossing
All signal lamps on the lamp stand are controlled equipped with a sub-controller；And the traffic control between master controller and sub-controller
Signal transmission, carries out typically by way of wired connection, and the communications cable requires to be embedded in underground with digging.However this
Ground can only be excavated and be checked again when communication, which is broken down, to be needed to check route by kind wired communication mode, or working as need to
When being reconstructed to signal lamp, ground can only also be excavated and be reconstructed again, spent human and material resources, road traffic is also resulted in
Interference, it is time-consuming very long.
In view of the above problems, also occurring the traffic letter for substituting original wired communication mode using wifi communication mode now
Signal lamp has well solved the deficiency of conventional wireline communication mode.However due to personal hot spot be increasing and base station letter
Reasons, the wifi wireless communications such as number interference are easy to disturbed and sub-controller are caused not receive the traffic that master controller is sent
Signal is controlled, corresponding signal lamp also will be unable to work on, and the personnel that need repairing maintenance, which is restarted, can just rework, and give road
Traffic brings very big pressure, it is easy to cause traffic order chaotic.
In conclusion traffic lights management domain, which lacks one kind, mode to carry out signal transmission again by wireless communication
It can guarantee the safe and reliable managing device of transmission process.
Utility model content
The utility model is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide one kind can be by wireless communication
Mode securely and reliably transmits the wireless traffic signal light managing device of traffic control signal.
The utility model provides a kind of wireless traffic signal light managing device, for carrying out to any one intersection
Traffic lights operation management, has the feature that, comprising: master controller, for issuing traffic control signal；Plural height
Controller, it is identical as the quantity of the Traffic signal post of intersection, be arranged in a one-to-one correspondence on all Traffic signal posts, and with it is right
Whole traffic signal light groups is connected on the Traffic signal post answered；Gateway includes: gateway ontology and central node；And plural number
A communication node, it is identical as the quantity of a plurality of sub-controllers, and connect one to one with a plurality of sub-controllers, wherein net
Close ontology one end be connected with master controller, the other end is connected with central node, one end of each communication node with it is corresponding
Sub-controller is connected, and the other end is all wirelessly communicated with central node and connected, and integrates in central node and a plurality of communication nodes
Wireless communication module with frequency hopping communications mechanism is also integrated with time synchronization control module in central node.
In wireless traffic signal light managing device provided by the utility model, it can also have the following features: wherein,
Gateway also includes network management module, and network management module is connected with gateway ontology, to lead to central node and all
The communication network formed between letter node carries out network management.
In wireless traffic signal light managing device provided by the utility model, it can also have the following features: wherein,
It in a communication network, is that each communication node is assigned with multiple communication channels, frequency hopping communications mechanism by network management module are as follows:
Between central node and arbitrary communication node or between two communication nodes, when being communicated based on pre-assigned more
A communication channel switching uses.
In wireless traffic signal light managing device provided by the utility model, it can also have the following features: wherein,
The function of time synchronization control module are as follows: control centre's node receives the traffic control that master controller is sent from gateway ontology
After signal, which is sent to all communication nodes in a broadcast manner, so that all communication nodes are same
When receive traffic control signal, further such that all sub-controllers can control corresponding traffic signal light group while hold
Row predetermined registration operation.
In wireless traffic signal light managing device provided by the utility model, it can also have the following features: wherein,
Central node has plurality of ports, for being connected with gateway ontology and a plurality of communication nodes.
In wireless traffic signal light managing device provided by the utility model, it can also have the following features: wherein,
Wireless communication module is the communication module for being integrated with WirelessHART communication agreement.
The action and effect of utility model
The wireless traffic signal light managing device according to involved in the utility model, master controller issue control command first
Be sent to gateway ontology, which is sent to central node again by gateway ontology, at this moment in central node integrate when
Between synchronization control module by control centre's node, the control command is sent to all communication simultaneously by mode by wireless communication
Node, then corresponding sub-controller is sent to by communication node, last sub-controller can be based on the same time control of the control command
Corresponding traffic light group processed executes corresponding operating, meets the synchronously control demand of traffic lights；In addition, central node with
Wireless communication module integrated has frequency hopping communications mechanism in all communication nodes, ensure that the safe and reliable of communications
Property, even if the channel-failures communicated, other channels can choose by frequency hopping communications mechanism and continue to communicate.
Detailed description of the invention
Fig. 1 is crossroad access signal lamp distribution schematic diagram in the embodiments of the present invention；And
Fig. 2 is the structural schematic diagram of wireless traffic signal light managing device in the embodiments of the present invention.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing is specifically addressed the wireless traffic signal light managing device of the utility model.
Fig. 1 is crossroad access signal lamp distribution schematic diagram in the embodiments of the present invention.
As shown in Figure 1, in the present embodiment, being described in detail by taking crossroad 10 as an example.The crossroad 10 is formed
The vehicle pass-through direction of four direction.Four vehicle signal lamp stands, 11, eight pedestrians are provided at the crossroad 10
Traffic signal post 12.
Four vehicle signal lamp stands 11 are located at the right side of four roads, and so-called right side is logical based on every road
From the point of view of line direction.In the present embodiment, four vehicle signal lamp stands 11 in addition to the position of installation it is different, other structures are all
It is identical, only one of them is described in detail herein, is omitted to other three detailed descriptions.
There are three signal lamp groups for installation on each vehicle signal lamp stand 11, are respectively: left rotaring signal lamp group 11a, straight trip
Signal lamp group 11b, right turn signal lamp group 11c allow the corresponding direction of vehicle signal lamp stand 11 to sail and carry out vehicle according to corresponding mesh
LED status selection directly current still wait for marking direction is passed through.Each signal lamp group separately includes: a red light, one
Green light and an amber light.
Eight pedestrian signal lamp stands 12 are located at the two sides roadside of four roads and close to intersections.In this implementation
In example, eight pedestrian signal lamp stands 12 are different in addition to the position of installation, other structures be all it is identical, herein only to one of them
It is described in detail, omits to other seven detailed descriptions.
Be equipped with a signal lamp group, i.e. right of way signal lamp group 12a on each pedestrian signal lamp stand 12, include: one red
Lamp and a green light.The right of way signal lamp group 12a is arranged towards road, for allowing the pedestrian on road opposite according to the signal lamp
Only state selection is directly current or waits passage.
In the present embodiment, in order to which vehicle and pedestrian can orderly be passed through at the crossroad 10, current effect is improved
Rate avoids traffic jam, is equipped with not shown wireless traffic signal light managing device 20 in figure at the crossroad 10, passes through
Traffic signals lamp management system shows current (green light lights) or waiting (red light to manage all signal lamp groups according to set sequence
Light) state, whether the passage of guiding vehicle and pedestrian.
Fig. 2 is the structural schematic diagram of traffic signals lamp management system in the embodiments of the present invention.
As shown in Fig. 2, wireless traffic signal light managing device 20 is used for the vehicle and pedestrian in Fig. 1 at crossroad 10
Carry out traffic administration, guarantee that its is orderly current.
Wireless traffic signal light managing device 20 includes: 22,12 master controller 21, gateway communication nodes 23 with
And 12 sub-controllers 24.
The built-in computer program of master controller 21, for issuing traffic control signal, by the traffic control signal come
All signal lamp groups controlled on eight pedestrian signal lamp stands 10 and four vehicle signal lamp stands 20 are bright by the rule set
Corresponding lamp is played, so that vehicles and pedestrians or waiting to indicate the crossroad, guarantee current order.
One end of gateway 22 is connected with master controller 21, and the other end is connected with 12 communication nodes 23, and being used for will
The traffic control signal that master controller 21 issues is transferred to all communication nodes 23.
The other end of 12 communication nodes 23 connects one to one with 12 sub-controllers 24, for passing gateway 22
Defeated next traffic control signal is sent to corresponding sub-controller 24.
12 sub-controllers 24 are arranged on four vehicle signal lamp stands 11 correspondingly and eight pedestrian signals
On lamp stand 12, for controlling the display state of the signal lamp group on corresponding Traffic signal post, which includes: that red light is bright
It rises, green light lights or amber light lights.In the present embodiment, position difference of 12 sub-controllers 24 in addition to installation, Qi Tajie
Structure is all identical.One end of each sub-controller 24 is connected with all signal lamp groups on corresponding Traffic signal post, another
End is connected with traffic signals wireless notification device 30, so that the traffic control signal of the sending of master controller 21 is received, into one
Step controls corresponding signal lamp group and executes scheduled display state.
As also shown in fig. 2, gateway 22 includes: gateway ontology 221, central node 222 and network management module 223.
One end of gateway ontology 221 is connected with master controller 21, and the other end is connected with central node 222, for connecing
It receives the traffic control signal that master controller 21 issues and the traffic control signal is sent to central node 222.In the present embodiment
In, the function of gateway ontology 221 with gateway in the prior art be it is identical, details are not described herein.
Central node 222 has not shown 13 ports in figure, and one of port is connected with gateway ontology 221
It connects, other 12 ports communicate correspondingly with 12 communication nodes 23 to be connect.Central node 222 is for receiving net
It closes the traffic control signal that ontology 221 is sent and sends it to all communication nodes 23.By describing as it can be seen that central node
Star-network is formd between 222 and 12 communication nodes 23, enables central node 222 and each communication node 23 straight
Tap into capable communication.
Network management module 223 is connected with central node 222, for central node 222 and all communication nodes
The communication network formed between 23 carries out network management, such as increases new communications nodes, deletes existing communication node, modification communication
Parameter information (including the information such as network ID, device address, frequency point) of node etc..In the present embodiment, in any one communication section
After point 23 is successfully established communication with central node 222, network management module 223 then carries out parameter configuration to the communication node 23,
Including use when allocating multiple communication channels in advance for the communication node 23 communication；It, can be in addition, in communication process
Entire communication network is optimized by network management module 223, the communication channel of each communication node 23 is distributed in adjustment.
In the present embodiment, the structure of 12 communication nodes 23 is identical, herein only to one of communication node
23 are described in detail, and omit the explanation to other 11 communication nodes 23.
One end of communication node 23 is connected with central node 222, and the other end is connected with a corresponding sub-controller 24
It connects, the traffic control signal for sending central node 222 is sent in corresponding sub-controller 24.In the present embodiment
In, central node 222, which neutralizes to be equipped in 12 communication nodes 23, is integrated with the radio communication mold of WirelessHART communication agreement
Block has frequency hopping communications mechanism in the wireless communication module, so that the nothing between central node 222 and 12 communication node 23
Line communication process is safer, more reliable.Specific frequency hopping communications mechanism are as follows:
Between central node 222 and arbitrary communication node 23 or between any two communication node 23, led to
It is based on assigned multiple communication channels when letter and gradually switches use, as frequency hopping communications mechanism.In this way, when ongoing
When communication is unable to success communication because of channel-failures, used by switching other channels, it can be to avoid communication next time because working as
Preceding channel-failures and be affected.
In the present embodiment, it is additionally provided with time synchronization control module in central node 222, its function specifically: when total
After the traffic control signal that control device 21 is sent is sent to central node 222 via gateway ontology 221, control centre's node
The traffic control signal is sent to all communication nodes 23 simultaneously in a broadcast manner by 222, so that all communication nodes
23 can receive the traffic control signal simultaneously, to guarantee that all sub- control devices 22 can be believed based on the traffic control
Number controlling corresponding signal lamp group simultaneously executes corresponding operation.
Based on frequency hopping communications mechanism and time synchronization control module, so that between communication node 23 and central node 222
Wirelessly communicate it is safer, more stable, more rapidly, it is more reliable；And it can satisfy the synchronous control of the traffic lights at any crossing
Demand processed.
The action and effect of embodiment
The wireless traffic signal light managing device according to involved in the present embodiment, master controller issue control command first by
It is sent to gateway ontology, which is sent to central node again by gateway ontology, the time at this moment integrated in central node
By control centre's node, mode by the control command while being sent to all communication sections to synchronization control module by wireless communication
Point, then corresponding sub-controller is sent to by communication node, last sub-controller can be controlled simultaneously based on the control command
Corresponding traffic light group executes corresponding operating, meets the synchronously control demand of traffic lights；In addition, in central node and institute
Wireless communication module integrated has frequency hopping communications mechanism in some communication nodes, ensure that the safe and reliable of communications
Property, even if the channel-failures communicated, other channels can choose by frequency hopping communications mechanism and continue to communicate.
Above embodiment is the preferred case of the utility model, is not intended to limit the protection scope of the utility model.
Claims (6)
1. a kind of wireless traffic signal light managing device, for carrying out traffic lights operation pipe to any one intersection
Reason characterized by comprising
Master controller, for issuing traffic control signal；
A plurality of sub-controllers, it is identical as the quantity of the Traffic signal post of the intersection, it is arranged in a one-to-one correspondence in all institutes
It states on Traffic signal post, and is connected with traffic signal light group whole on the corresponding Traffic signal post；
Gateway includes: gateway ontology and central node；And
A plurality of communication nodes, it is identical as the quantity of a plurality of sub-controllers, and one by one with a plurality of sub-controllers
It is correspondingly connected with,
Wherein, gateway ontology one end is connected with the master controller, and the other end is connected with the central node,
One end of each communication node is connected with the corresponding sub-controller, the other end all with the central node without
Line communication connection,
It is integrated with the wireless communication module with frequency hopping communications mechanism in the central node and a plurality of communication nodes,
Time synchronization control module is also integrated in the central node.
2. wireless traffic signal light managing device according to claim 1, it is characterised in that:
Wherein, the gateway also includes network management module,
The network management module is connected with the gateway ontology, thus to the central node and all communication sections
The communication network formed between point carries out network management.
3. wireless traffic signal light managing device according to claim 2, it is characterised in that:
It wherein, is that each communication node is assigned with multiple lead to by the network management module in the communication network
Believe channel,
The frequency hopping communications mechanism are as follows:
Between the central node and the arbitrary communication node or between two communication nodes, when being communicated
It is used based on pre-assigned the multiple communication channel switching.
4. wireless traffic signal light managing device according to claim 2, it is characterised in that:
Wherein, the function of the time synchronization control module are as follows:
It controls the central node and receives the traffic control signal that the master controller is sent from the gateway ontology
Afterwards, which is sent to all communication nodes in a broadcast manner, so that all communication sections
It puts while receiving the traffic control signal, further such that all sub-controllers can control the corresponding friendship
Messenger lamp group is performed simultaneously predetermined registration operation.
5. wireless traffic signal light managing device according to claim 2, it is characterised in that:
Wherein, the central node has plurality of ports, is used for and the gateway ontology and a plurality of communication node phases
Connection.
6. wireless traffic signal light managing device according to claim 1, it is characterised in that:
Wherein, the wireless communication module is the communication module for being integrated with WirelessHART communication agreement.
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| CN201822141539.5U CN209674548U (en) | 2018-12-20 | 2018-12-20 | Wireless traffic signal light managing device |
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| CN201822141539.5U CN209674548U (en) | 2018-12-20 | 2018-12-20 | Wireless traffic signal light managing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508243A (en) * | 2020-04-30 | 2020-08-07 | 云南金隆伟业电子有限公司 | Synchronous control receiving method and device for radio stroboscopic signal lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508243A (en) * | 2020-04-30 | 2020-08-07 | 云南金隆伟业电子有限公司 | Synchronous control receiving method and device for radio stroboscopic signal lamp |
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